import java.util.Date;

/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: Hua YY
 * Date: 2023 —11 —11
 * Time: 13:14
 */
public class test_2023_11_11 {
    public class Date{

        //构造方法①
        public Date(){
            this(1999,2,2);
        }
        //构造方法②
        public Date(int year , int month , int day){
            //拒绝闭环，this();
        }
    }

}
